CN106672766A - Elevator landing door safety protection device and elevator with same - Google Patents
Elevator landing door safety protection device and elevator with same Download PDFInfo
- Publication number
- CN106672766A CN106672766A CN201710054888.0A CN201710054888A CN106672766A CN 106672766 A CN106672766 A CN 106672766A CN 201710054888 A CN201710054888 A CN 201710054888A CN 106672766 A CN106672766 A CN 106672766A
- Authority
- CN
- China
- Prior art keywords
- latch hook
- steel wire
- wire rope
- elevator
- door
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/028—Safety devices separate from control system in case of power failure, for hydraulical lifts, e.g. braking the hydraulic jack
Abstract
The invention discloses an elevator landing door safety protection device. The elevator landing door safety protection device comprises a first landing door and a second landing door. The first landing door comprises a first door strap and a lock hook seat arranged on the first door strap. The second landing door comprises a second door strap and a lock hook mechanism arranged on the second door strap. The two ends of a linkage steel wire rope are fixed to the lock hook mechanism, and the linkage steel wire rope is in linkage connection with the lock hook mechanism. When the linkage steel wire rope works normally, the lock hook mechanism is separated from the lock hook seat. When the linkage steel wire rope is broken, the lock hook mechanism hooks the lock hook seat, and the first landing door and the second landing door are connected and locked tightly. The elevator landing door safety protection device can guarantee the use safety of the elevator landing doors, and further improve the safety of an elevator.
Description
Technical field
The present invention relates to elevator safety technical field, more particularly to a kind of elevator door safety device and with the dress
The elevator put.
Background technology
Elevator landing door generally comprises two fan doors, and wherein Yishanmen is moved by door lifter by door knife-band, and it is used as driving
Door；Another Yishanmen is connected by linkage steel wire rope with the driving gate, and it is used as passive door；When door lifter is opened or closed,
Two fan doors are capable of achieving by steel wire rope linkage or multiple leaf door is switched in the lump.
But, when the steel wire rope that links disconnects, passive door forms an individual components because running out of steam and constraining, it is impossible to
, there is very big potential safety hazard in the normal switch door together with driving gate.
The content of the invention
It is an object of the invention to provide a kind of elevator door safety device, it can solve or partly solve above-mentioned
Technical problem, so as to ensure elevator door using safety.
In order to realize foregoing invention purpose, the technical solution adopted in the present invention is as follows：
A kind of elevator door safety device, it includes：Ground floor door, it includes the first door strap, is arranged on first
Lock hook seat on door strap；Second layer door, it includes the second door strap, the latch hook mechanism being arranged on the second door strap；Linkage
The two ends of steel wire rope are fixed on the latch hook mechanism, and the linkage steel wire rope is connected with the latch hook mechanism, works as connection
When dynamic steel wire rope is normal, the latch hook mechanism is separated with the lock hook seat；When the steel wire rope that links disconnects, the latch hook mechanism hook
Lock hook seat is stated in residence, by the ground floor door and the connection locking of second layer door.
Used as a kind of specific embodiment, the lock hook seat includes the second latch hook mounting seat, is arranged on second latch hook
The second latch hook in mounting seat；The latch hook mechanism includes the first fixed plate, first for separating or hooking with second latch hook
Latch hook, first latch hook is arranged in first fixed plate.
Used as a kind of specific embodiment, the latch hook mechanism also includes the rotating shaft being arranged in first fixed plate,
First latch hook is around the axis of rotation.
Used as a kind of specific embodiment, the latch hook mechanism also includes the steel wire rope termination being arranged in the first fixed plate
Bar, the two ends of the linkage steel wire rope are fixedly connected on the steel wire rope termination bar.
Further, steel wire rope termination bar include the first end extension bar being connected with one end of linkage steel wire rope and with connection
Second termination bar of the other end connection of dynamic steel wire rope；Tensioning spring and the tensioning are provided with the first end extension bar
The driving pulley of spring connection, the tensioning spring is used to be tensioned the linkage steel wire rope；It is described when the steel wire rope that links disconnects
Tensioning spring recovers to extend and drive the driving pulley to be subjected to displacement along the direction of the elongation of the tensioning spring, and then orders about
The first latch hook being connected with the driving pulley is set around the axis of rotation in the first fixed plate, makes first latch hook hook
Two latch hooks.
Used as a kind of specific embodiment, first latch hook includes being located at the first recess of the first latch hook bottom,
First recess includes the first convex arc, the first concave arc and the second convex arc being sequentially connected, described when the steel wire rope that links is normal
Driving pulley is limited in first concave arc, and when the steel wire rope that links disconnects, the driving pulley is recessed along described first
The direction motion of arc to the second convex arc, the afterbody of the first latch hook is risen by jack-up, the latch hook subordinate of the front end of first latch hook
Drop hooks the second latch hook.
As a kind of specific embodiment, stop nut is additionally provided with the first end extension bar, it is described to limit
The stroke of tensioning spring and driving pulley.
Used as a kind of specific embodiment, the latch hook mechanism also includes that the unlocking being arranged in first fixed plate is protected
Spring is held, it is connected with the tail end of first latch hook, for making first latch hook and second when the steel wire rope that links is normal
Latch hook keeps released state.
As a kind of specific embodiment, the disconnected rope being connected with elevator safety loop is additionally provided with the lock hook seat and is opened
Close, when the steel wire rope that links disconnects, the latch hook mechanism triggers broken step chain device while the lock hook seat is hooked.
It is an object of the invention to provide a kind of elevator, the elevator can be solved or part solves above-mentioned technical problem,
So as to ensure elevator using safety, the elevator includes above-mentioned elevator door safety device.
The technical scheme that the present invention is provided has the advantages that：
The elevator door safety device of the present invention, is connected by arranging on elevator door with elevator linkage steel wire rope
Latch hook mechanism and the lock hook seat that is separated from each other therewith or hooks, when the steel wire rope that links is normal, latch hook mechanism and lock hook seat
Separate, once steel wire rope disconnects, latch hook mechanism linkage is hooked with lock hook seat, by two fan elevator door lockings, make elevator in disconnected rope
Situation lower floor door will not be opened by passenger, it is ensured that use safety in layer door.
Further, broken step chain device has been also provided with lock hook seat, the mistake for hooking has been contacted with lock hook seat in latch hook mechanism
Cheng Zhong, while triggering broken step chain device, is parked in time elevator operating, further makes elevator use safety.
Description of the drawings
Fig. 1 is the structural representation (steel wire rope is normal) of the elevator door safety device of the present invention；
Fig. 2 is the structural representation (steel wire rope disconnection) of the elevator door safety device of the present invention；
Fig. 3 is the structural representation of first latch hook of the present invention.
Specific embodiment
Design, tool in order to be fully understood from the purpose of the present invention, feature and effect, below with reference to accompanying drawing to the present invention
Body structure and the technique effect of generation are described further.
As illustrated, for the elevator door safety device of the present embodiment, it includes ground floor door 10, and it includes first
Door strap 110, the lock hook seat 120 being arranged on the first door strap；Second layer door 20, it includes the second door strap 210, is arranged on
Latch hook mechanism 220 on second door strap.
The two ends of linkage steel wire rope 30 are fixed on the latch hook mechanism 220, and the linkage steel wire rope 30 and the lock
Hook mechanism 220 is connected, and when the steel wire rope 30 that links is normal, the latch hook mechanism 220 is separated with the lock hook seat 120；When
When linkage steel wire rope 30 disconnects, the latch hook mechanism 220 hooks the lock hook seat 120, by the ground floor door 10 and the second layer
The connection locking of door 20.
Wherein, the lock hook seat 120 includes the second latch hook mounting seat 121, is arranged in the second latch hook mounting seat
Second latch hook 122.Broken step chain device 123 is additionally provided with the second latch hook mounting seat.Broken step chain device 123 is returned with elevator safety
Road connects, and when the steel wire rope that links disconnects, the latch hook mechanism triggers disconnected simultaneously in the second latch hook 122 for hooking the lock hook seat
Cord switch.
Wherein, the latch hook mechanism 220 includes the first fixed plate 229, and in first fixed plate 229 first is provided with
Latch hook 221, first latch hook 221 can hook second latch hook 122, it is also possible to separate with second latch hook.Namely the
One latch hook is separated or hooked with second latch hook.
The latch hook mechanism also includes the rotating shaft 228 being arranged in first fixed plate 229, first latch hook 221
Can rotate around the rotating shaft 228.
Wherein, first latch hook 221 includes the first recess of the bottom 232 for being located at first latch hook 221, described the
One recess includes the first convex arc 234, the first concave arc 235 and the second convex arc 236 being sequentially connected.In first latch hook 221
Afterbody 233, offers an aperture, and it is used to keep spring 222 to be connected with the unlocking being arranged in first fixed plate 229,
For making first latch hook and the second latch hook keep released state when the steel wire rope that links is normal.
The latch hook mechanism 220 also includes the steel wire rope termination bar 223 and 224 being arranged in the first fixed plate 229, described
The two ends of linkage steel wire rope 30 are fixedly connected on the steel wire rope termination bar.
Preferably, steel wire rope termination bar include the first end extension bar 224 being connected with one end of linkage steel wire rope and with
Second termination bar 223 of the other end connection of linkage steel wire rope；Be provided with the first end extension bar 224 tensioning spring 226,
The driving pulley 225 being connected with the tensioning spring 226, the tensioning spring 226 is used to be tensioned the linkage steel wire rope 30；When
When linkage steel wire rope disconnects, the tensioning spring 226 recovers to extend and drive the driving pulley 225 along the tensioning spring
The direction of 226 elongation is subjected to displacement, and then orders about the first latch hook 221 being connected with the driving pulley around solid located at first
Rotating shaft 228 in fixed board is rotated, and makes first latch hook 221 hook the second latch hook 112.Also set up on the first end extension bar
Limited location nut 227, to the stroke for limiting the tensioning spring 226 and driving pulley 225.
Preferably, the end on first end extension bar is located at fixing nut, and the one end being connected with linkage steel wire rope connects
Stop nut is stated, in one end of first fixed plate the first limiting plate is provided with, have one to be applied on first limiting plate
The aperture that first end extension bar is passed through, the fixing nut and stop nut are respectively positioned at the inner side and outer side of the first limiting plate.
On the inside of first limiting plate, holddown spring is also arranged with the first end extension bar, so that first end extension bar
Be limited in the inner side of the first limiting plate with one end for be connected of linkage steel wire rope, and make linkage steel wire rope in tensioning state.
Between tensioning spring and fixing nut, drive pulley device is also associated with, so that drive pulley device can be with
Elongating or shortening for holddown spring and move back and forth.In diagram, holddown spring is socketed in first end in succession extension bar, is needed
Illustrate, drive pulley device is not necessarily connected between holddown spring and fixing nut, it is also possible to be provided in compressing bullet
Outside spring, as long as can shorten with the elongation of holddown spring and move, within protection scope of the present invention.
A kind of preferred embodiment is given in diagram, the drive pulley device includes pulley installing rack, is arranged on cunning
Driving pulley on wheel installing rack.Pulley installing rack is set between holddown spring and fixing nut, preferred drive pulley device
It is connected with one end of holddown spring.The pulley installing rack is also acted as and for holddown spring to be limited in pulley installing rack and first spacing
Effect between plate.
On the outside of first limiting plate, the stop nut and the first limiting plate have certain distance, and the distance is
The movement travel of holddown spring and driving pulley, by adjusting stop nut the row of driving pulley and holddown spring can be adjusted
Journey.
Similar, in the opposite side of the first fixed plate, the second limiting plate being additionally provided with, the second termination bar is arranged in the second limit
In the plate of position, the other end of the steel wire rope that links is connected with one end of the second termination bar, and the other end of the second termination bar is by fixed spiral shell
Mother is fixed.
As shown in figure 1, when the steel wire rope that links is normal, the driving pulley is limited in first concave arc, first
The afterbody of latch hook is unlocked holding spring and holds, and the latch hook portion 231 for making the front end of the first latch hook separates with the second latch hook；Such as Fig. 2
Shown, when the steel wire rope that links disconnects, tensioning spring loses the restriction effect power of linkage steel wire rope, recovers spring naturalness,
Spring extends along shown by arrow direction, orders about the driving pulley being attached thereto along first concave arc to the second convex arc
Direction motion, the afterbody of the first latch hook rises with the slip to the right of driving pulley by jack-up, the front end of first latch hook
Latch hook subordinate drop hook the second latch hook.
The embodiment of the present invention additionally provides a kind of elevator, and the elevator includes above-mentioned elevator door safety device.It is logical
Cross and arrange on elevator door and the elevator linkage steel wire rope latch hook mechanism being connected and the latch hook for being separated from each other therewith or hooking
Seat, when the steel wire rope that links is normal, latch hook mechanism is separated with lock hook seat, once steel wire rope disconnects, latch hook mechanism links and latch hook
Seat is hooked, and by two fan elevator door lockings, elevator is not opened by passenger in Duan Sheng situations lower floor door, it is ensured that in layer door
Using safety.Further, broken step chain device has been also provided with lock hook seat, the mistake for hooking has been contacted with lock hook seat in latch hook mechanism
Cheng Zhong, while triggering broken step chain device, is parked in time elevator operating, further makes elevator use safety.
The above, is only presently preferred embodiments of the present invention, and any pro forma restriction is not done to the present invention, therefore
All contents without departing from technical solution of the present invention, any simply repair according to the technical spirit of the present invention to made for any of the above embodiments
Change, equivalent variations and modification, still fall within the range of technical solution of the present invention.
Claims (10)
1. elevator door safety device, it is characterised in that include：
Ground floor door, it includes the first door strap, the lock hook seat being arranged on the first door strap；
Second layer door, it includes the second door strap, the latch hook mechanism being arranged on the second door strap；
The two ends of linkage steel wire rope are fixed on the latch hook mechanism, and the linkage steel wire rope connects with latch hook mechanism linkage
Connect, when the steel wire rope that links is normal, the latch hook mechanism is separated with the lock hook seat；When the steel wire rope that links disconnects, the lock
Hook mechanism hooks the lock hook seat, by the ground floor door and the connection locking of second layer door.
2. elevator door safety device according to claim 1, it is characterised in that：
The lock hook seat includes the second latch hook mounting seat, the second latch hook being arranged in the second latch hook mounting seat；
The latch hook mechanism includes the first fixed plate, the first latch hook for separating with second latch hook or hooking, first lock
Hook is arranged in first fixed plate.
3. elevator door safety device according to claim 2, it is characterised in that：
The latch hook mechanism also includes the rotating shaft being arranged in first fixed plate, and first latch hook turns around the rotating shaft
It is dynamic.
4. elevator door safety device according to claim 3, it is characterised in that：
The latch hook mechanism also includes the steel wire rope termination bar being arranged in the first fixed plate, and the two ends of the linkage steel wire rope are consolidated
Surely it is connected on the steel wire rope termination bar.
5. elevator door safety device according to claim 4, it is characterised in that：
Steel wire rope termination bar include first end extension bar be connected with one end of linkage steel wire rope and with the another of steel wire rope of linking
Second termination bar of one end connection；
The driving pulley of tensioning spring and tensioning spring connection, the tensioning bullet are provided with the first end extension bar
Spring is used to be tensioned the linkage steel wire rope；
When the steel wire rope that links disconnects, the tensioning spring recovers to extend and drive the driving pulley along the tensioning spring
The direction of elongation is subjected to displacement, so order about the first latch hook being connected with the driving pulley be set around in the first fixed plate turn
Axle is rotated, and makes first latch hook hook the second latch hook.
6. elevator door safety device according to claim 5, it is characterised in that：
First latch hook includes being located at the first recess of the first latch hook bottom, and first recess includes what is be sequentially connected
First convex arc, the first concave arc and the second convex arc, when the steel wire rope that links is normal, it is recessed that the driving pulley is limited in described first
In arc, when the steel wire rope that links disconnects, the driving pulley is moved along first concave arc to the direction of the second convex arc, and first
The afterbody of latch hook is risen by jack-up, and the latch hook subordinate drop of the front end of first latch hook hooks the second latch hook.
7. elevator door safety device according to claim 5, it is characterised in that：
Stop nut is additionally provided with the first end extension bar, to the stroke for limiting the tensioning spring and driving pulley.
8. elevator door safety device according to claim 2, it is characterised in that：
The latch hook mechanism also includes that being arranged on unlocking in first fixed plate keeps spring, itself and first latch hook
Tail end is connected, for making first latch hook and the second latch hook keep released state when the steel wire rope that links is normal.
9. the elevator door safety device according to any one of claim 1-8, it is characterised in that：
The broken step chain device being connected with elevator safety loop is additionally provided with the lock hook seat, when the steel wire rope that links disconnects, institute
State latch hook mechanism and broken step chain device is triggered while the lock hook seat is hooked.
10. a kind of elevator, it is characterised in that including the elevator door safety device described in any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054888.0A CN106672766B (en) | 2017-01-24 | 2017-01-24 | Elevator door safety device and elevator with the device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710054888.0A CN106672766B (en) | 2017-01-24 | 2017-01-24 | Elevator door safety device and elevator with the device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106672766A true CN106672766A (en) | 2017-05-17 |
| CN106672766B CN106672766B (en) | 2019-08-23 |
Family
ID=58859991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710054888.0A Active CN106672766B (en) | 2017-01-24 | 2017-01-24 | Elevator door safety device and elevator with the device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106672766B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341315A (en) * | 2018-04-08 | 2018-07-31 | 林肯电梯(中国)有限公司 | Car door rescues unlocking apparatus |
| CN108455402A (en) * | 2018-04-08 | 2018-08-28 | 林肯电梯(中国)有限公司 | Car door emergency unlocking device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730254A (en) * | 1995-07-21 | 1998-03-24 | Vertisys, Inc. | Elevator door restraint device |
| WO2005090219A1 (en) * | 2004-03-17 | 2005-09-29 | Mitsubishi Denki Kabushiki Kaisha | Safety device of door of elevator |
| CN201770391U (en) * | 2010-08-11 | 2011-03-23 | 宁波市鄞州欧菱电梯配件有限公司 | Elevator landing door |
| CN201914822U (en) * | 2010-12-27 | 2011-08-03 | 东莞市快意电梯有限公司 | Landing gate switch protection structure of elevator |
| CN202063624U (en) * | 2011-02-15 | 2011-12-07 | 苏州莱茵电梯制造有限公司 | Power landing door system applied on elevator |
| CN202296760U (en) * | 2011-09-30 | 2012-07-04 | 快意电梯有限公司 | Safety protection device of landing door of elevator |
| CN203064973U (en) * | 2012-12-19 | 2013-07-17 | 四川美奥电梯股份有限公司 | Elevator landing door interlocking device |
| CN203306894U (en) * | 2013-07-05 | 2013-11-27 | 宁波欧菱电梯配件有限公司 | Novel lock device for elevator floor door |
| CN206529200U (en) * | 2017-01-24 | 2017-09-29 | 广州广日电梯工业有限公司 | Elevator door safety device and the elevator with the device |
-
2017
- 2017-01-24 CN CN201710054888.0A patent/CN106672766B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5730254A (en) * | 1995-07-21 | 1998-03-24 | Vertisys, Inc. | Elevator door restraint device |
| WO2005090219A1 (en) * | 2004-03-17 | 2005-09-29 | Mitsubishi Denki Kabushiki Kaisha | Safety device of door of elevator |
| CN201770391U (en) * | 2010-08-11 | 2011-03-23 | 宁波市鄞州欧菱电梯配件有限公司 | Elevator landing door |
| CN201914822U (en) * | 2010-12-27 | 2011-08-03 | 东莞市快意电梯有限公司 | Landing gate switch protection structure of elevator |
| CN202063624U (en) * | 2011-02-15 | 2011-12-07 | 苏州莱茵电梯制造有限公司 | Power landing door system applied on elevator |
| CN202296760U (en) * | 2011-09-30 | 2012-07-04 | 快意电梯有限公司 | Safety protection device of landing door of elevator |
| CN203064973U (en) * | 2012-12-19 | 2013-07-17 | 四川美奥电梯股份有限公司 | Elevator landing door interlocking device |
| CN203306894U (en) * | 2013-07-05 | 2013-11-27 | 宁波欧菱电梯配件有限公司 | Novel lock device for elevator floor door |
| CN206529200U (en) * | 2017-01-24 | 2017-09-29 | 广州广日电梯工业有限公司 | Elevator door safety device and the elevator with the device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108341315A (en) * | 2018-04-08 | 2018-07-31 | 林肯电梯(中国)有限公司 | Car door rescues unlocking apparatus |
| CN108455402A (en) * | 2018-04-08 | 2018-08-28 | 林肯电梯(中国)有限公司 | Car door emergency unlocking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106672766B (en) | 2019-08-23 |
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